Home / 89,113.36-122,976.06-48,827.08

Finding the Fourth Proportional to 89,113.36, 122,976.06 and 48,827.08

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Solution

The fourth proportional to 89,113.36, 122,976.06 and 48,827.08 is: 67,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,113.36 : 122,976.06 = 48,827.08 : x
  2. Step 2: Convert to fraction form
    89,113.36/122,976.06 = 48,827.08/x
  3. Step 3: Cross multiply
    89,113.36x = 122,976.06 × 48,827.08
  4. Step 4: Simplify right side
    89,113.36x = 6,004,561,919.70
  5. Step 5: Solve for x
    x = 6,004,561,919.70/89,113.36
  6. Step 6: Final answer
    x = 67,381.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.